高被引用論文 2020年
Table1 Japanese Institutes' Highly-Cited Paper (HCP) Ranking 2020
| Name | Web of Science Documents | Times Cited | Cites/Paper | Highly Cited Papers | Percentile of Highly-Cited Papers(%) | Rank |
| University of Tokyo | 91,111 | 1,908,230 | 20.9 | 1,537 | 1.69 | 1 |
| Kyoto University | 66,021 | 1,233,044 | 18.7 | 981 | 1.49 | 2 |
| Osaka University | 50,523 | 926,043 | 18.3 | 593 | 1.17 | 3 |
| Tohoku University | 50,413 | 832,092 | 16.5 | 535 | 1.06 | 4 |
| Nagoya University | 36,557 | 642,946 | 17.6 | 479 | 1.31 | 5 |
| Kyushu University | 37,005 | 562,077 | 15.2 | 379 | 1.02 | 6 |
| Tokyo Institute of Technology | 26,971 | 469,011 | 17.4 | 354 | 1.31 | 7 |
| University of Tsukuba | 23,745 | 388,049 | 16.3 | 312 | 1.31 | 8 |
| Hokkaido University | 34,958 | 521,990 | 14.9 | 305 | 0.87 | 9 |
| Okayama University | 16,221 | 271,564 | 16.7 | 256 | 1.58 | 10 |
| Kobe University | 17,381 | 277,789 | 16.0 | 245 | 1.41 | 11 |
| Keio University | 20,551 | 338,158 | 16.5 | 220 | 1.07 | 12 |
| Hiroshima University | 19,778 | 309,605 | 15.7 | 214 | 1.08 | 13 |
| Waseda University | 13,534 | 226,943 | 16.8 | 213 | 1.57 | 14 |
| Shinshu University | 9,707 | 166,508 | 17.2 | 178 | 1.83 | 15 |
| Tokyo Metropolitan University | 7,437 | 215,228 | 28.9 | 145 | 1.95 | 16 |
| Chiba University | 15,210 | 225,297 | 14.8 | 128 | 0.84 | 17 |
| Yokohama City University | 7,764 | 140,814 | 18.1 | 126 | 1.62 | 18 |
| Kindai University (Kinki University) | 8,045 | 139,200 | 17.3 | 123 | 1.53 | 19 |
| Tokyo Medical & Dental University (TMDU) | 11,140 | 206,010 | 18.5 | 106 | 0.95 | 20 |
| Kanazawa University | 11,919 | 180,227 | 15.1 | 95 | 0.80 | 21 |
Data Source: 2019 sixth version of ESI
Table2 Okayama University's Number of HCP in Different Research
Fields and Their Rankings in the Japanese Universities 2020
| Research Fields | Web of Science Documents | Highly Cited Papers | Percentile of HCP(%) | HCP Ranking |
| Clinical Medicine | 4,777 | 53 | 1.11 | 12 |
| Physics | 2,303 | 105 | 4.56 | 11 |
| Chemistry | 1,709 | 10 | 0.59 | 16 |
| Plant & Animal Science | 1,167 | 45 | 3.86 | 4 |
| Biology & Biochemistry | 1,094 | 6 | 0.55 | 17 |
| Neuroscience & Behavior | 739 | 2 | 0.27 | 25 |
| Molecular Biology & Genetics | 720 | 6 | 0.83 | 20 |
| Geosciences | 572 | 4 | 0.70 | 12 |
| Materials Science | 478 | 4 | 0.84 | 22 |
| Engineering | 429 | 1 | 0.23 | 40 |
| Agricultural Sciences | 294 | 1 | 0.34 | 13 |
| Microbiology | 274 | 9 | 3.28 | 2 |
| Immunology | 256 | 3 | 1.17 | 18 |
| Environment/Ecology | 209 | 1 | 0.48 | 31 |
| Social Sciences, general | 173 | 2 | 1.16 | 20 |
| Space Science | 54 | 4 | 7.41 | 19 |
Data Source: 2019 sixth version of ESI.
